CN217404527U - Laser radar test system - Google Patents
Laser radar test system Download PDFInfo
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- CN217404527U CN217404527U CN202221228842.9U CN202221228842U CN217404527U CN 217404527 U CN217404527 U CN 217404527U CN 202221228842 U CN202221228842 U CN 202221228842U CN 217404527 U CN217404527 U CN 217404527U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model provides a laser radar test system, include: a laser radar mechanism; the angle testing mechanism comprises a reflection assembly and a data receiving assembly, the reflection assembly is arranged on one side of the laser radar mechanism, and the data receiving assembly is arranged between the reflection assembly and the laser radar mechanism; the distance testing mechanism comprises a stop lever, wherein the stop lever is an arc-shaped rod piece which takes the laser radar mechanism as a center and takes a first testing distance as a radius; and the master control mechanism is electrically connected with the laser radar mechanism and the data receiving component. In the test process of the pitch angle precision and the distance precision of the laser radar, the pitch angle precision of the laser radar is tested through the angle testing mechanism respectively, the distance precision of the laser radar is tested through the distance testing mechanism, the simultaneous test of the pitch angle precision and the distance precision of the laser radar can be realized in the laser radar rotating process, the production test process is simplified, the number of workers is reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a laser radar precision testing technical field, concretely relates to laser radar test system.
Background
The laser radar has the advantages of relatively simple structure, high monochromaticity, high directivity, good coherence, higher measurement precision, high space resolution, long detection distance, low price and the like, is widely applied, and has an application range as large as that of an effective method for carrying out high-precision remote sensing detection on the atmosphere, the ocean and the land and as small as that of a navigation obstacle avoidance method of a household intelligent sweeping robot. In laser radar's production process, need detect the angle of pitch precision and the distance precision of the laser radar of production, the main pitch angle precision and the distance precision that show for testing laser radar respectively through two steps of processes that detect need two staff to accomplish the test, and the testing arrangement price of application is high, and the preparation degree of difficulty is great, and efficiency of software testing is lower, is unfavorable for laser radar's mass production.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the technical defect that the efficiency of the test process of the angle of pitch precision and the distance precision of laser radar among the prior art is low to a laser radar test system is provided.
In order to solve the above problem, the utility model provides a laser radar test system, include:
the laser radar mechanism can rotate around the center of the laser radar mechanism;
the angle testing mechanism comprises a reflection assembly and a data receiving assembly, the reflection assembly is arranged on one side of the laser radar mechanism, the data receiving assembly is arranged between the reflection assembly and the laser radar mechanism, and a triangle is formed among the reflection assembly, the data receiving assembly and the laser radar mechanism;
the distance testing mechanism comprises a stop lever, the stop lever is an arc-shaped rod piece which takes the laser radar mechanism as the center and takes a first testing distance as a radius;
and the master control mechanism is electrically connected with the laser radar mechanism and the data receiving component.
Further, still include the workstation, the center department of workstation is located to the laser radar mechanism, and the side of workstation is all located to angle accredited testing organization and distance accredited testing organization.
Further, laser radar mechanism includes brace table and laser radar, and the brace table includes base and support frame, base and workstation fixed connection, and the support frame is located base upper portion, and with base fixed connection, laser radar and support frame fixed connection.
Furthermore, the reflection assembly comprises a reflection plate and a fixed block, the fixed block is a cuboid, one side of the fixed block is fixedly connected with the workbench, and the adjacent surface of the fixed block, which is connected with the workbench, is fixedly connected with the reflection plate.
Further, the angle test mechanism includes two, and two angle test mechanisms set up relatively.
Further, still include the baffle, the baffle is located one side of workstation, and the distance between baffle and the laser radar mechanism is the second test distance.
Furthermore, the pin includes throws the pole and bracing piece, and the bracing piece is located the both ends of throwing the pole respectively, and with throwing pole fixed connection, the bottom and the workstation fixed connection of one side bracing piece.
Further, apart from accredited testing organization still including the regulation platform, regulation platform and workstation fixed connection are equipped with a plurality of regulation positions on the regulation platform, the bottom and the regulation position fixed connection of throwing the pole.
Further, the second test distance is greater than the first test distance.
Further, the workbench is made of wood or aluminum alloy.
The utility model has the advantages of it is following:
1. utilize the technical scheme of the utility model, in the testing process to laser radar's angle of pitch precision and distance precision, test laser radar's angle of pitch precision through angle accredited testing organization respectively, test laser radar's distance precision through distance accredited testing organization, at first, control laser radar mechanism through main control mechanism, make laser radar can rotate around its center, in rotatory process, laser radar can beat the laser that launches respectively on reflection module in the angle accredited testing organization and the pin in the distance accredited testing organization, when laser hits reflection module, reflection module can reflect laser to data receiving component, data receiving component feeds back the facula information of the laser radar who receives to main control mechanism, can judge laser radar's angle of pitch precision through main control mechanism; when the laser hits the pin, obtain through the thickness of pin and hit laser above this, hit laser reflection on the pin and reach laser radar, then main control mechanism can judge distance accuracy according to the laser of reflection, can realize testing when laser radar pitch angle accuracy and distance accuracy at laser radar pivoted in-process, has simplified the process of production test, has reduced the staff, has improved work efficiency.
2. The reflection assembly comprises a reflection plate and a fixed block, one face of the fixed block is fixedly connected with the workbench, the adjacent face of the fixed block and the adjacent face of the workbench are connected, the fixed block plays a role in fixing the reflection plate, the vertical state is kept between the reflection plate and the workbench, and the laser emitted by the laser radar is prevented from generating errors on the reflection plate.
3. The angle testing mechanisms comprise two angle testing mechanisms which are arranged oppositely, and the two angle testing mechanisms are symmetrically arranged relative to the laser radar mechanism, so that the angle testing mechanisms on two sides can test the pitch angle precision of the laser radar mechanism simultaneously, and the accuracy is improved.
4. Laser radar test system still includes the baffle, and one side of workstation is located to the baffle, and the distance between baffle and the laser radar mechanism is the second test distance, and the second test distance is greater than first test distance, tests laser radar mechanism's closely precision and remote precision respectively through pin and baffle.
5. The pin includes throws pole and bracing piece, and the both ends of throwing the pole are located respectively to the bracing piece, and with throwing pole fixed connection, the bottom and the workstation fixed connection of one side bracing piece can adjust first test distance through the junction between removal bracing piece bottom and the workstation, and the both ends of throwing the pole all are connected with the bracing piece, can adjust the orientation of throwing the pole for laser radar mechanism.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 shows a schematic structural diagram of an embodiment of a lidar test system of the present invention;
fig. 2 shows a schematic structural diagram of another embodiment of the lidar testing system of the present invention.
Description of reference numerals:
1. a laser radar mechanism; 2. an angle testing mechanism; 3. a reflective component; 4. a data receiving component; 5. a distance testing mechanism; 6. a stop lever; 7. a work table; 8. a support table; 9. a laser radar; 10. a reflective plate; 11. a fixed block; 12. a baffle plate; 13. a projecting rod; 14. a support bar; 15. and (4) adjusting the table.
Detailed Description
The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The utility model provides a laser radar test system, include:
the laser radar mechanism 1, the laser radar mechanism 1 can rotate around its centre;
the angle testing mechanism 2 comprises a reflection assembly 3 and a data receiving assembly 4, the reflection assembly 3 is arranged on one side of the laser radar mechanism 1, the data receiving assembly 4 is arranged between the reflection assembly 3 and the laser radar mechanism 1, and a triangle is formed among the reflection assembly 3, the data receiving assembly 4 and the laser radar mechanism 1;
the distance testing mechanism 5 comprises a stop lever 6, wherein the stop lever 6 is an arc-shaped rod piece which takes the laser radar mechanism 1 as the center and takes a first testing distance as the radius;
and the master control mechanism is electrically connected with the laser radar mechanism 1 and the data receiving component 4.
By utilizing the technical proposal of the utility model, in the process of testing the pitch angle precision and the distance precision of the laser radar 9, the pitch angle precision of the laser radar 9 is tested by the angle testing mechanism 2 respectively, the distance precision of the laser radar 9 is tested by the distance testing mechanism 5, firstly, the laser radar mechanism 1 is controlled by the main control mechanism, so that the laser radar 9 can rotate around the center thereof, during the rotation process, the laser radar 9 will emit laser to the reflection component 3 in the angle testing mechanism 2 and the stop lever in the distance testing mechanism 5 respectively, when laser strikes the reflection assembly 3, the reflection assembly 3 reflects the laser to the data receiving assembly 4, the data receiving assembly 4 feeds the received facula information of the laser radar 9 back to the master control mechanism, and the precision of the pitch angle of the laser radar 9 can be judged through the master control mechanism; when the laser hits the pin, obtain through the thickness of pin 6 and hit laser above this, hit laser reflection on the pin 6 to laser radar 9, then master control mechanism can judge the distance precision according to the laser of reflection, can realize testing when 9 pivoted in-process of laser radar 9 pitch angle precision and distance precision, has simplified the process of production test, has reduced the staff, has improved work efficiency.
In this embodiment, the first test distance is 500 mm, and is used to test the distance accuracy of the laser radar 9 detecting the 500 mm position, adjusting parameters of a first test distance according to the actual test condition, wherein the first test distance is the distance accuracy judgment of the laser radar 9 for a short distance, the parameters of the first test distance are not specifically limited, in the embodiment, the precision range of the pitch angle of the laser radar mechanism 1 in the direction thereof is controlled by the thickness of the stop lever 6, the precision range of the pitch angle is set to be 0.35-1.6 degrees, the laser light emitted from the lidar mechanism 1 below 0.35 deg. or above 1.6 deg. cannot hit the stopper 6, therefore, good products and defective products can be distinguished, the laser radar mechanism 1 of the stop lever 6 can be hit, the precision of the first testing distance position needs to be calculated through the main control mechanism, and then the close-distance precision is judged to be qualified. It should be noted that the precision range of the pitch angle may be set according to actual situations, and is not limited in particular herein, but is merely exemplary.
The utility model discloses laser radar test system still includes workstation 7, and the center department of workstation 7 is located to laser radar mechanism 1, and the side of workstation 7 is all located to angle accredited testing organization 2 and distance accredited testing organization 5.
In this embodiment, set up workstation 7 and can be so that whole laser radar test system is in the leveling condition, prevent measuring error, and laser radar mechanism 1, angle accredited testing organization 2 and distance accredited testing organization 5 all locate can be convenient for remove whole laser radar test system on workstation 7, have improved the convenience.
In this embodiment, laser radar mechanism 1 includes brace table 8 and laser radar 9, brace table 8 includes base and support frame, and the position of laser radar 9 is convenient for confirm with 7 fixed connection of workstation in the base to the support frame is located base upper portion, and with base fixed connection, and the support frame improves laser radar 9's horizontal position, makes laser radar 9 can carry out laser emission to upper and lower direction respectively, is convenient for test laser radar 9's the angle of pitch
In this embodiment, reflection component 3 includes reflecting plate 10 and fixed block 11, 11 one sides of fixed block and workstation 7 fixed connection, fixed block 11 is connected the adjacent surface and the reflecting plate 10 fixed connection of one side with workstation 7, and fixed block 11 plays fixed effect to reflecting plate 10, prevents that reflecting plate 10 from rocking for keep the vertical state between reflecting plate 10 and the workstation 7, prevent that the laser of laser radar 9 transmission from appearing the error on reflecting plate 10.
The angle testing mechanism 2 comprises two angle testing mechanisms 2 which are arranged oppositely.
In this embodiment, angle accredited testing organization 2 includes two, and two angle accredited testing organization 2 set up relatively, and two angle accredited testing organization 2 are in the symmetry setting for laser radar mechanism 1 for the angle accredited testing organization 2 of both sides is tested laser radar mechanism 1's pitch angle precision simultaneously, has improved the accuracy.
In this embodiment, the angle testing mechanism 2 on one side is used for receiving the data of the laser radar 9 and feeding back the data to the master control mechanism to determine the pitch angle accuracy of the laser radar 9, and the angle testing mechanism 2 on the other side is used for receiving the data of the laser radar 9 and feeding back the data to the master control mechanism to determine the pitch angle accuracy and the zero angle accuracy of the laser radar 9. In other embodiments, the determination of zero degree angle accuracy may be added at both sides of the angle testing mechanism 2.
Referring to fig. 2, the utility model discloses laser radar 9 test system still includes baffle 12, and one side of workstation 7 is located to baffle 12, and the distance between baffle 12 and the laser radar mechanism 1 is second test distance.
In this embodiment, laser radar 9 test system still includes baffle 12, and one side of workstation 7 is located to baffle 12, and the distance between baffle 12 and the laser radar mechanism 1 is the second test distance, and the second test distance is greater than first test distance, tests laser radar mechanism 1's closely precision and remote precision respectively through pin 6 and baffle 12.
It should be noted that, in this embodiment, the baffle 12 is disposed right in front of the laser radar 9, and the second testing distance is 6 meters, and is used to test the distance accuracy of the laser radar 9 at the position of 6 meters, and the position of the baffle 12 relative to the laser radar 9 is adjustable, and the parameter of the second testing distance is adjusted according to the actual testing situation, and the second testing distance is determined by the laser radar 9 for the distance accuracy of a long distance, and the parameter of the second testing distance is not specifically limited herein.
The stop lever 6 comprises a projection rod 13 and support rods 14, the support rods 14 are respectively arranged at two ends of the projection rod 13 and fixedly connected with the projection rod 13, and the bottom of the support rod 14 at one side is fixedly connected with the workbench 7.
In this embodiment, the stop bar 6 includes a projection bar 13 and a support bar 14, the support bars 14 are respectively disposed at two ends of the projection bar 13 and are fixedly connected to the projection bar 13, the bottom of the support bar 14 at one side is fixedly connected to the workbench 7, the first testing distance can be adjusted by moving the connection between the bottom of the support bar 14 and the workbench 7, and the two ends of the projection bar 13 are both connected to the support bars 14, so as to adjust the orientation of the projection bar 13 relative to the lidar mechanism 1.
In this embodiment, the blocking rod 6 may be disposed on the workbench 7 near the angle testing mechanism 2 on one side, or may be disposed on the angle testing mechanism 2 on the other side, and the blocking rod 6 does not block the angle testing mechanisms 2 on both sides.
The distance testing mechanism 5 further comprises an adjusting table 15, the adjusting table 15 is fixedly connected with the workbench 7, a plurality of adjusting positions are arranged on the adjusting table 15, and the bottom of the projection rod 13 is fixedly connected with the adjusting positions.
In this embodiment, the adjusting platform 15 is a rectangular sheet structure and is disposed at a corner of the workbench 7, the parameter of the first testing distance can be changed by changing the positions of the bottom of the projecting rod 13 and the adjusting position, and the closer the projecting rod 13 is to the corner of the workbench 7, the larger the parameter of the first testing distance is.
The second test distance is greater than the first test distance.
In this embodiment, the first test distance is determined for the short-distance accuracy by the laser radar 9, and the second test distance is determined for the long-distance accuracy by the laser radar 9, so that the accuracy of the test for the distance accuracy by the laser radar 9 is improved.
The workbench 7 is made of wood or aluminum alloy.
In this embodiment, workstation 7 is wooden or aluminum alloy material can reduce cost, and the material of workstation 7 does not do specific limitation, and other materials that are applicable to this application are all can.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A lidar testing system, comprising:
a lidar mechanism (1), the lidar mechanism (1) being rotatable about its centre;
the angle testing mechanism (2) comprises a reflecting component (3) and a data receiving component (4), the reflecting component (3) is arranged on one side of the laser radar mechanism (1), the data receiving component (4) is arranged between the reflecting component (3) and the laser radar mechanism (1), and a triangle is formed among the reflecting component (3), the data receiving component (4) and the laser radar mechanism (1);
the distance testing mechanism (5) comprises a stop lever (6), wherein the stop lever (6) is an arc-shaped rod piece which takes the laser radar mechanism (1) as the center and takes a first testing distance as the radius;
the master control mechanism is electrically connected with the laser radar mechanism (1) and the data receiving assembly (4).
2. The lidar testing system of claim 1, further comprising a table (7), wherein the lidar mechanism (1) is disposed at a center of the table (7), and the angle testing mechanism (2) and the distance testing mechanism (5) are disposed at sides of the table (7).
3. The lidar testing system of claim 2, wherein the lidar mechanism (1) comprises a supporting table (8) and a lidar (9), the supporting table (8) comprises a base and a supporting frame, the base is fixedly connected with the workbench (7), the supporting frame is arranged on the upper portion of the base and is fixedly connected with the base, and the lidar (9) is fixedly connected with the supporting frame.
4. The lidar testing system according to claim 3, wherein the reflection assembly (3) comprises a reflection plate (10) and a fixed block (11), the fixed block (11) is a cuboid, one surface of the fixed block (11) is fixedly connected with the workbench (7), and the adjacent surface of the fixed block (11) connected with the workbench (7) is fixedly connected with the reflection plate (10).
5. Lidar testing system according to any of claims 1 to 4, wherein said angle testing mechanism (2) comprises two, said two angle testing mechanisms (2) being arranged opposite to each other.
6. Lidar testing system according to claim 2, further comprising a baffle (12), wherein the baffle (12) is arranged at a side of the bench (7), and wherein a distance between the baffle (12) and the lidar mechanism (1) is a second testing distance.
7. The lidar testing system according to claim 2, wherein the stop lever (6) comprises a projection lever (13) and a support lever (14), the support lever (14) is respectively disposed at two ends of the projection lever (13) and is fixedly connected to the projection lever (13), and the bottom of the support lever (14) at one side is fixedly connected to the worktable (7).
8. The lidar testing system of claim 7, wherein the distance testing mechanism (5) further comprises an adjusting table (15), the adjusting table (15) is fixedly connected with the workbench (7), a plurality of adjusting positions are arranged on the adjusting table (15), and the bottom of the projection rod (13) is fixedly connected with the adjusting positions.
9. The lidar testing system of claim 6, wherein the second test distance is greater than the first test distance.
10. Lidar testing system according to claim 2, wherein said table (7) is of wood or aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221228842.9U CN217404527U (en) | 2022-05-18 | 2022-05-18 | Laser radar test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221228842.9U CN217404527U (en) | 2022-05-18 | 2022-05-18 | Laser radar test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217404527U true CN217404527U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221228842.9U Active CN217404527U (en) | 2022-05-18 | 2022-05-18 | Laser radar test system |
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| Country | Link |
|---|---|
| CN (1) | CN217404527U (en) |
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- 2022-05-18 CN CN202221228842.9U patent/CN217404527U/en active Active
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